ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ 4,694	$ 3,759
Accumulated unrealized gain (loss) on cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated unrealized gain (loss) on cash flow hedges	529	(1,087)
Accumulated foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated foreign currency translation adjustments	4,428	4,739
Accumulated unrealized gain on investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated unrealized gain on investments	(263)	107
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ 4,694	$ 3,759